Flora of North America species comparison

erect or ascending, very short, tufted or spreading, branched.

very short, densely tufted, branched.

cauline, crowded near base;

stipules well developed;

petiole 2–9 cm;

leaflets 7–11, blades 10–30 × 4–10 mm, adaxial surface glabrous.

cauline, densely tufted or crowded near base;

free blades of stipules reduced, 1 mm;

petiole 0.4–1.5 cm;

leaflets (3 or)5, blades 2–7 × 1–1.5 mm, adaxial surface villous.

several–many-flowered, 3–14 cm;

flowers spirally arranged.

flowers solitary or paired, axillary.

1–10 cm;

bracts persistent, straight, 2–4 mm.

1.5–4 mm;

bracts persistent, 1 mm.

1–4 mm.

1 mm.

4.5–7 mm;

calyx 3–6 mm, lobes ± equal, abaxial lobe entire, adaxial lobe cleft;

corolla dark blue-purple or whitish with blue tip, banner spot white becoming yellow, keel blunt, glabrous.

4–5 mm;

calyx 2.5–3 mm, abaxial lobe shallowly cleft, 2–2.5 mm, adaxial lobe 2-toothed, 0.5–1 mm;

corolla banner white, wings and keel purplish, keel glabrous.

undulate, 1.5–2 cm, not constricted between seeds, ciliate with long, dense hairs, sides with short, inflated hairs becoming scaly on drying.

0.6–1 cm, pilose.

persistent, disclike, sessile.

persistent, disclike, sessile.

2, wrinkled.

1 or 2.